Finding the Fourth Proportional to 11,897,730.16, 16,419,110.23 and 6,465,572.08
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Solution
The fourth proportional to 11,897,730.16, 16,419,110.23 and 6,465,572.08 is: 8,922,621.31
Step by Step Solution
- Step 1: Write the proportion equation
11,897,730.16 : 16,419,110.23 = 6,465,572.08 : x - Step 2: Convert to fraction form
11,897,730.16/16,419,110.23 = 6,465,572.08/x - Step 3: Cross multiply
11,897,730.16x = 16,419,110.23 × 6,465,572.08 - Step 4: Simplify right side
11,897,730.16x = 106,158,940,599,434.83 - Step 5: Solve for x
x = 106,158,940,599,434.83/11,897,730.16 - Step 6: Final answer
x = 8,922,621.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.